[INFO] fetching crate cargo-swarm 0.1.0-alpha...
[INFO] checking cargo-swarm-0.1.0-alpha against master#613bdd49978298648ed05ace086bd1ecad54b44a for pr-136458
[INFO] extracting crate cargo-swarm 0.1.0-alpha into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cargo-swarm 0.1.0-alpha on toolchain 613bdd49978298648ed05ace086bd1ecad54b44a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-swarm 0.1.0-alpha
[INFO] finished tweaking crates.io crate cargo-swarm 0.1.0-alpha
[INFO] tweaked toml for crates.io crate cargo-swarm 0.1.0-alpha written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-swarm 0.1.0-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cd436cc728b6ff691db4a85956eaf23591524ee66e7db86e3b7e2a1723e017c
[INFO] running `Command { std: "docker" "start" "-a" "4cd436cc728b6ff691db4a85956eaf23591524ee66e7db86e3b7e2a1723e017c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cd436cc728b6ff691db4a85956eaf23591524ee66e7db86e3b7e2a1723e017c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cd436cc728b6ff691db4a85956eaf23591524ee66e7db86e3b7e2a1723e017c", kill_on_drop: false }`
[INFO] [stdout] 4cd436cc728b6ff691db4a85956eaf23591524ee66e7db86e3b7e2a1723e017c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+613bdd49978298648ed05ace086bd1ecad54b44a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/f0863621ad9ffa642b8ded2087401dd91e5f3737eb64ef1275a5d4b7028ecdf1-init: no space left on device